Home / 11,582.44-15,999.46-9,353.32

Finding the Fourth Proportional to 11,582.44, 15,999.46 and 9,353.32

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Solution

The fourth proportional to 11,582.44, 15,999.46 and 9,353.32 is: 12,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.44 : 15,999.46 = 9,353.32 : x
  2. Step 2: Convert to fraction form
    11,582.44/15,999.46 = 9,353.32/x
  3. Step 3: Cross multiply
    11,582.44x = 15,999.46 × 9,353.32
  4. Step 4: Simplify right side
    11,582.44x = 149,648,069.21
  5. Step 5: Solve for x
    x = 149,648,069.21/11,582.44
  6. Step 6: Final answer
    x = 12,920.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.